==36660==ERROR: AddressSanitizer: stack-use-after-scope on address 0x006c41effa0
0 at pc 0x7ff6cd95396e bp 0x006c41eff600 sp 0x006c41eff608
READ of size 4 at 0x006c41effa00 thread T0
    #0 0x7ff6cd95396d in Base::operator==(struct Base const &) const C:\Users\Vl
adimir\Documents\My Qt Projects\removeAll_issue\main.cpp:8
    #1 0x7ff6cd951575 in ??$?R$$CBUDerived@@@<lambda_1>@?1???$sequential_erase@V
?$QList@UDerived@@@@UDerived@@@QtPrivate@@YA?A_PAEAV?$QList@UDerived@@@@AEBUDeri
ved@@@Z@QEBA?A_P1@Z E:\Qt5\qtbase\src\corelib\tools\qcontainertools_impl.h:371  
    #2 0x7ff6cd951d4f in ??$find_if@Vconst_iterator@?$QList@UDerived@@@@V<lambda
_1>@?1???$sequential_erase@V?$QList@UDerived@@@@UDerived@@@QtPrivate@@YA?A_PAEAV
2@AEBUDerived@@@Z@@std@@YA?AVconst_iterator@?$QList@UDerived@@@@V12@V12@V<lambda
_1>@?1???$sequential_erase@V?$QList@UDerived@@@@UDerived@@@QtPrivate@@YA?A_PAEAV
2@AEBUDerived@@@Z@@Z D:\Program Files\Microsoft Visual Studio\2022\Professional\
VC\Tools\MSVC\14.39.33519\include\xutility:6278
    #3 0x7ff6cd95260a in ??$sequential_erase_if@V?$QList@UDerived@@@@V<lambda_1>
@?1???$sequential_erase@V?$QList@UDerived@@@@UDerived@@@QtPrivate@@YA?A_PAEAV1@A
EBUDerived@@@Z@@QtPrivate@@YA?A_PAEAV?$QList@UDerived@@@@AEAV<lambda_1>@?1???$se
quential_erase@V?$QList@UDerived@@@@UDerived@@@0@YA?A_P0AEBUDerived@@@Z@@Z E:\Qt
5\qtbase\src\corelib\tools\qcontainertools_impl.h:340
    #4 0x7ff6cd952458 in ??$sequential_erase@V?$QList@UDerived@@@@UDerived@@@QtP
rivate@@YA?A_PAEAV?$QList@UDerived@@@@AEBUDerived@@@Z E:\Qt5\qtbase\src\corelib\
tools\qcontainertools_impl.h:372
    #5 0x7ff6cd952b81 in ??$sequential_erase_with_copy@V?$QList@UDerived@@@@UDer
ived@@@QtPrivate@@YA?A_PAEAV?$QList@UDerived@@@@AEBUDerived@@@Z E:\Qt5\qtbase\sr
c\corelib\tools\qcontainertools_impl.h:380
    #6 0x7ff6cd95239c in QList<struct Derived>::removeAll<struct Derived>(struct
 Derived const &) E:\Qt5\qtbase\src\corelib\tools\qlist.h:594
    #7 0x7ff6cd951252 in main C:\Users\Vladimir\Documents\My Qt Projects\removeA
ll_issue\main.cpp:24
    #8 0x7ff6cd959b68 in invoke_main D:\a\_work\1\s\src\vctools\crt\vcstartup\sr
c\startup\exe_common.inl:78
    #9 0x7ff6cd959abd in __scrt_common_main_seh D:\a\_work\1\s\src\vctools\crt\v
cstartup\src\startup\exe_common.inl:288
    #10 0x7ff6cd95997d in __scrt_common_main D:\a\_work\1\s\src\vctools\crt\vcst
artup\src\startup\exe_common.inl:330
    #11 0x7ff6cd959bdd in mainCRTStartup D:\a\_work\1\s\src\vctools\crt\vcstartu
p\src\startup\exe_main.cpp:16
    #12 0x7ffedbe67343  (C:\WINDOWS\System32\KERNEL32.DLL+0x180017343)
Address 0x006c41effa00 is located in stack of thread T0 at offset 32 in frame   
    #0 0x7ff6cd9529ff in ??$sequential_erase_with_copy@V?$QList@UDerived@@@@UDer
ived@@@QtPrivate@@YA?A_PAEAV?$QList@UDerived@@@@AEBUDerived@@@Z E:\Qt5\qtbase\sr
c\corelib\tools\qcontainertools_impl.h:377

  This frame has 1 object(s):
    [32, 36) 'compiler temporary' <== Memory access at offset 32 is inside this 
variable
HINT: this may be a false positive if your program uses some custom stack unwind
 mechanism, swapcontext or vfork
      (longjmp, SEH and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-use-after-scope C:\Users\Vladimir\Documents\My 
Qt Projects\removeAll_issue\main.cpp:8 in Base::operator==(struct Base const &) 
const
Shadow bytes around the buggy address:
  0x020b1285fef0: 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 00 f2 00 f2
  0x020b1285ff00: 00 f2 f8 f2 00 f2 00 f2 f8 f2 f8 f2 f8 f3 f3 f3
  0x020b1285ff10: f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x020b1285ff20: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3
  0x020b1285ff30: f3 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
=>0x020b1285ff40:[f8]f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00
  0x020b1285ff50: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
  0x020b1285ff60: 00 00 00 f2 f2 f2 f2 f8 f2 f8 f8 f2 f2 f2 f2 04
  0x020b1285ff70: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
  0x020b1285ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x020b1285ff90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==36660==ABORTING

#include <QList>

struct Base
{
    explicit Base(int v) : value(v) {}
    bool operator == (const Base &other) const
    {
        return value == other.value;
    }

    int value = 0;
};

struct Derived : public Base
{
    explicit Derived(int v) : Base(v) {}
};

int main()
{
    QList<Derived> list { Derived(0), Derived(1) };

    Derived d(0);
    list.removeAll(d); // <-- AddressSanitizer: stack-use-after-scope
    //list.removeIf([d] (const auto &v) { return v == d; }); // <-- it's OK

    return 0;
}

if (MSVC)
    add_compile_options(/fsanitize=address)
else()
    add_compile_options(-fsanitize=address -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls)
    add_link_options(-fsanitize=address)
endif(MSVC)